Audio Block Diagram - JVC HR-S2901U Service Manual

4.20

AUDIO BLOCK DIAGRAM

MAIN ( VIDEO/AUDIO , FMA/DEMOD, TERMINAL )
0 3
J1
REAR IN
6
R
AUDIO ( R )
4
L
AUDIO ( L )
1
ONLY USED FOR
HR-S5901U/S5911U/S5911U(C)
HR-S3901U/S3911U/S3911U(C)
J7101
FRONT
8
R
AUDIO IN ( R )
7
6
J7101
FRONT
5
L
AUDIO IN ( L )
4
3
J2
Q2201- Q2204
REAR OUT
6
R
AUDIO ( R )
MUTE
4
CONTROL
L
AUDIO ( L )
1
TO
TUNER
COMP
RF_AUDIO
WF5 IC1-53
WF6
REC/PB 1.5 Vp-p REC 0.5 Vp-p
50 mV/2 msec/DIV 10 mV/0.2 msec/DIV
WF7 IC1-99
REC 2 Vp-p
50 mV/0.2 msec/DIV
WF1
10
EXT2 IN ( R )
15
EXT2 IN ( L )
REC 0.47 Vp-p
10 mV/0.2 msec/DIV
WF1
9
EXT1 IN ( R )
22
CH1
21
COM
24
CH2
14
EXT1 IN ( L )
30
WF2
PB FM IN
29
PRE OUT
53
R LINE OUT ( R )
28
ENV
57
27
L
LINE OUT ( L )
AFF
42
CLK
48
43
SIF IN
DATA
36
59 MUTE CTL
REC_OUT
62
NORMAL IN
61
NORMAL OUT
IC2201
WF5 WF6
53 63
DET
R
IC1-63
VCA P
REC
EQ
IC1
(VIDEO/N.AUDIO SIGNAL PROCESSOR)
IC2201-9 WF2-1 IC2201-53 WF2-2 IC2201-53
REC 4.0 Vp-p PB 1.1 Vp-p
0.1 V/0.2 msec/DIV 20 mV/0.2 msec/DIV
TP2253
WF4
A.PB_FM
WF3
NOT
USED
62 61 78
A.MUTE
SP ON
95
FILTER
96
-
+
PRE AMP
97
+
REC ON
98
EP ( LP ) ON
99
FILTER
HR-S3901U&S3911U/U(C)&S2901U&S2911U(C)
WF7
HR-S5901U&S5911U/U(C)
4-37 4-38
TP2253
WF3 IC2201-21 A.PB.FM
WF4
REC 1.0 Vp-p PB 0.6 Vp-p
50 mV/2 msec/DIV 20 mV/0.2 msec/DIV
CN1
7
8
9
10
11
Q401 POWER
Q402 AMP
Q403-
POWER
Q405
SWITCH
Q2062
ONLY USED FOR
Q2063
HR-S5901U
HR-S5911U/U(C)
Q2052- POWER POWER
Q2055 SW SW
Q2061
OSC OSC
Q2051
CN2002
6
T2051 TRANS TRANS 4
1
6 5
T2052
B2051
Q2001-
SW
Q2003
CN2001
3
4
2
1
B2051
SHORT
OPEN
No.82911 HR-S5901U/S5911U/S5911U(C)
U.DRUM
AUDIO HEAD
9 9
FMA CH1
10 10
11 11
FMA CH2
12 12
13 13
FLY.E
14 14
FLYING ERASE
ONLY USED FOR
HR-S5901U/S5911U/S5911U(C)
FLY_REC(H)
FLY_REC_ST
H.REC_ST(H)
A.ENV/ND(L)
A.FF
I2C CLK
TO
I2C DATA
SYSCON
A.MUTE(H)
N.REC(H)
N.REC_ST(H)
FULL_E.ON(H)
FULL ERASE HEAD
2
F. ERASE
1 2
A/C HEAD
CN1
4
A. ERASE
3
5
REC/PB
6
(VP)-V15S15